Crankshaft Main Bearing

Classification of main bearings
The marking is stamped in the engine block and crankshaft. The classification marking is in the engine block above the oil cooler and crankshaft. The classification shall be read from the digit 1 to 7. The first letter after the digit 1 is the classification of main bearing 1. The bearing positions are numbered starting at the engine's leading edge.

Crankshaft

Big End Journals

Main Bearing Journals

Crankshaft Main Bearing Fasteners
Install new fasteners

First pass 20 Nm
Second pass 40 Nm

Third pass 24 Nm

Fourth pass 17 Nm

Final pass Tighten 90°